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1// -*- C++ -*-2//===----------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___CHRONO_CONCEPTS_H11#define _LIBCPP___CHRONO_CONCEPTS_H12 13#include <__chrono/hh_mm_ss.h>14#include <__chrono/time_point.h>15#include <__config>16#include <__type_traits/is_specialization.h>17 18#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)19# pragma GCC system_header20#endif21 22_LIBCPP_BEGIN_NAMESPACE_STD23 24#if _LIBCPP_STD_VER >= 2025 26template <class _Tp>27concept __is_hh_mm_ss = __is_specialization_v<_Tp, chrono::hh_mm_ss>;28 29template <class _Tp>30concept __is_time_point = __is_specialization_v<_Tp, chrono::time_point>;31 32#endif // _LIBCPP_STD_VER >= 2033 34_LIBCPP_END_NAMESPACE_STD35 36#endif // _LIBCPP___CHRONO_CONCEPTS_H37